Art style: Comic book.
A medium shot focusing on Grandpa Vince as he brings a white mug to his lips. The mug has the text 'GRUMPY BUT SOLVENT' visible. He is sitting in his library, surrounded by the scent of old paper and tobacco. The lighting is cozy and domestic. Dominant colors are cream, cognac, and dark brown.
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FINAL STYLE ENFORCEMENT (this is the authoritative rendering directive — it overrides any style wording elsewhere in the prompt):
Render this image entirely in "Comic book" style. Match the lighting grammar, material response, colour science, level of realism / stylisation, line weight, and shading model typical of "Comic book".
Keep the subject, composition, camera angle, lighting direction, and colour palette from the description above — but EVERY surface, skin, fabric, material, and environmental element must be rendered in the "Comic book" idiom, not in any other medium.
